23326-4520 RST 3325 (HD 221465)
23h 32m 33.04s -45° 19' 54.6" P.A. 122.00 sep 0.2 mag 9.32,9.86 Sp F3V dist. 135.87 pc (443.21 l.y.)
| Coord 2000 |
23326-4520 |
|
Discov num |
RST3325 |
|
Comp |
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Coord arcsec 2000 |
23 32 33.04 -45 19 54.6 |
|
| Date first |
1932 |
|
Date last |
2020 |
|
Obs |
15 |
|
| Pa first |
160 |
|
Pa last |
121.9 |
|
P.A. Now (θ) |
124.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.2 |
|
Sep. Now (ρ) |
0.202" |
|
| Mag pri |
9.32 |
|
Mag sec |
9.86 |
|
delta mag (ΔM) |
0.54 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
-026 |
|
Sec motion ra |
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|
| Pri motion dec |
-028 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 221465 |
|
Constellation |
Phoenix |
|
SAO |
231654 |
|
HIP |
116193 |
|
| Tycho2 |
8456-00849-1 |
|
Gaia DR2 |
6528742029594296064 |
|
HD |
221465 |
|
CD |
CD-4614689 |
|
| CP |
CP-4610551 |
|
Distance |
135.87 |
|
Distance ly |
443.21 |
|
ORBITAL ELEMENTS
| Period (P) | 122.3y | ± 5.3 |
Periastron (T) | 1996.63y | ± 0.4 |
Semi-major axis (a) | 0.198a | ± 0.005 |
| Eccentricity (e) | 0.646 | ± 0.021 |
Inclination (i) | 61.5° | ± 1.8 |
Longitude of periastron (ω) | 255° | ± 1.9 |
| Node (Ω) | 102.2° | ± 1.6 |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2020 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
71.3 |
0.061 |
| 2001 |
80.5 |
0.075 |
| 2002 |
86.8 |
0.089 |
| 2003 |
91.5 |
0.102 |
| 2004 |
95.1 |
0.113 |
| 2005 |
98.1 |
0.123 |
| 2006 |
100.7 |
0.133 |
| 2007 |
102.9 |
0.141 |
| 2008 |
104.9 |
0.149 |
| 2009 |
106.7 |
0.156 |
| 2010 |
108.4 |
0.162 |
| 2011 |
109.9 |
0.168 |
| 2012 |
111.4 |
0.173 |
| 2013 |
112.8 |
0.177 |
| 2014 |
114.1 |
0.181 |
| 2015 |
115.3 |
0.185 |
| 2016 |
116.5 |
0.188 |
| 2017 |
117.7 |
0.191 |
| 2018 |
118.8 |
0.194 |
| 2019 |
120.0 |
0.196 |
| 2020 |
121.0 |
0.198 |
| 2021 |
122.1 |
0.200 |
| 2022 |
123.1 |
0.201 |
| 2023 |
124.2 |
0.202 |
| 2024 |
125.2 |
0.203 |
| 2025 |
126.2 |
0.204 |
| 2026 |
127.2 |
0.205 |
| 2027 |
128.2 |
0.205 |
| 2028 |
129.2 |
0.206 |
| 2029 |
130.2 |
0.206 |
| 2030 |
131.2 |
0.206 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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